In winter, a tiny hole in the sole of a shoe can often let in unwanted ice and snow, as well as salt, which will without a doubt ruin not just your socks, but also your health. Research has shown recently that soldiers with wet socks due to a variety of reasons, often found it fatal. Keeping your feet dry and warm is a great health benefit. Cold wet feet will often lead to susceptibility for the flu, colds, as well as different molds which may find dwellings in wet shoes.